CN212457512U - Heat exchange assembly and heat exchange system - Google Patents
Heat exchange assembly and heat exchange system Download PDFInfo
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- CN212457512U CN212457512U CN202020962558.9U CN202020962558U CN212457512U CN 212457512 U CN212457512 U CN 212457512U CN 202020962558 U CN202020962558 U CN 202020962558U CN 212457512 U CN212457512 U CN 212457512U
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Abstract
The utility model discloses a heat exchange assembly and heat transfer system, heat exchange assembly includes the pipe subassembly, a plurality of heat exchange tubes and at least one coupling assembling, the pipe subassembly includes first pipe, the second pipe, third pipe and fourth pipe, the heat exchange tube includes first heat exchange tube and second heat exchange tube, first heat exchange tube intercommunication first pipe and second pipe, second heat exchange tube intercommunication third pipe and fourth pipe, coupling assembling includes the joint, connect first circulation passageway and second circulation passageway including the intercommunication, first circulation passageway communicates with the one end of first heat exchange tube, a side end face of first heat exchange tube is located first circulation passageway, second circulation passageway and first pipe intercommunication. The utility model discloses a heat exchange assembly flows to great passageway in the heat exchange tube more, reduces the resistance, has improved heat transfer performance.
Description
Technical Field
The utility model relates to a heat transfer technical field, more specifically relates to a heat exchange assembly and heat transfer system who has this heat exchange assembly.
Background
At present, the micro-channel heat exchanger is widely applied to the field of various air conditioners. In the related art, a plurality of channels are distributed on the width direction of the micro-channel flat tubes at intervals, when a refrigerant flows into the flat tubes, the refrigerant can be freely distributed in each channel, and the flow resistance is large, so that the improvement of the heat exchange performance of the micro-channel heat exchanger is limited in certain applications.
SUMMERY OF THE UTILITY MODEL
Therefore, an aspect of the utility model provides a heat exchange assembly, this heat exchange assembly can guide the refrigerant to flow more to great passageway in the heat exchange tube, reduces the resistance, has improved heat transfer performance.
Another aspect of the present invention provides a heat exchange system.
According to the utility model discloses a coupling assembling of embodiment includes: a tube assembly comprising a first tube, a second tube, a third tube, and a fourth tube, the first tube and the second tube being arranged side-by-side, the third tube and the fourth tube being arranged side-by-side, the third tube being arranged adjacent to the first tube, the fourth tube being arranged adjacent to the second tube; the heat exchange tubes are arranged in parallel, the outer periphery of the cross section of each heat exchange tube is generally rectangular, each heat exchange tube comprises a first heat exchange tube and a second heat exchange tube, the first heat exchange tubes and the second heat exchange tubes are alternately arranged along the thickness direction of the heat exchange tube, the first heat exchange tubes are respectively connected with the first tubes and the second tubes to be communicated with the first tubes and the second tubes, and the second heat exchange tubes are respectively connected with the third tubes and the fourth tubes to be communicated with the third tubes and the fourth tubes; the first heat exchange tube comprises at least two channels which are arranged at intervals in the width direction of the heat exchange tube, the channels of the first heat exchange tube are parallel to the length direction of the heat exchange tube, the channels comprise a first channel and a second channel, and the sectional area of the first channel is larger than that of the second channel on the cross section of the heat exchange tube; at least one connection assembly including a joint including a first flow channel and a second flow channel communicating with each other, the first flow channel having a dimension in the width direction of the heat exchange tube larger than a dimension in the width direction of the heat exchange tube of the second flow channel, the second flow channel having a dimension in the width direction of the heat exchange tube smaller than the width of the first heat exchange tube; coupling assembling first circulation passageway with the one end intercommunication of first heat exchange tube, a side end face of first heat exchange tube is located in the first circulation passageway, second circulation passageway with first pipe intercommunication, coupling assembling's second circulation passageway is in projection on the terminal surface of first heat exchange tube and the cross-section of first passageway at least partially coincide, coupling assembling's second circulation passageway and first circulation passageway's intercommunication cross-section to rather than the distance between the terminal surface of the first heat exchange tube of being connected less than or equal to 2 times of the width of first heat exchange tube.
According to the utility model discloses a heat exchange assemblies is many system heat exchange assemblies, and among one of them system heat exchange assemblies, through articulate heat exchange tube and collecting pipe, and connect and relative with great circulation passageway in the heat exchange tube, can guide more great passageway in the refrigerant flow direction heat exchange tube, reduce the resistance, improve heat transfer performance and system efficiency.
In some embodiments, the connection assembly includes a connection pipe connected to the second flow passage and communicating with the first pipe, the connection pipe having a cross-sectional area smaller than a cross-sectional area of the first flow passage.
In some embodiments, the number of the connecting members is at least two, the first flow channel of another connecting member communicates with the other end of the first heat exchange tube, the end surface of the other end of the first heat exchange tube is located in the first flow channel, the second flow channel communicates with the second tube, and the hydraulic diameter of the second tube is smaller than that of the fourth tube.
In some embodiments, the number of the connecting members is at least two, the first flow channel of another connecting member is communicated with one end of the second heat exchange pipe, the second flow channel of another connecting member is communicated with the fourth pipe, the size of the second flow channel in the width direction of the heat exchange pipe is smaller than the width of the second heat exchange pipe, the hydraulic diameter of the first pipe is smaller than the hydraulic diameter of the second pipe, and the hydraulic diameter of the fourth pipe is smaller than the hydraulic diameter of the third pipe.
In some embodiments, the second heat exchange tube comprises at least two channels arranged at intervals in the width direction of the heat exchange tube, the channels of the second heat exchange tube are parallel to the length direction of the heat exchange tube, the channels of the second heat exchange tube comprise a first channel and a second channel, the sectional area of the first channel of the second heat exchange tube is larger than that of the second channel of the second heat exchange tube in the cross section of the heat exchange tube, the end face of the one end of the second heat exchange tube is positioned in the first flow channel of the connecting assembly connected with the second heat exchange tube, and the projection of the second flow channel of the connecting assembly on the end face of the second heat exchange tube is at least partially overlapped with the section of the first channel.
In some embodiments, one end of the first heat exchange tube is communicated with the first tube through one of the connection assemblies, the other end of the first heat exchange tube is communicated with the second tube through the other of the connection assemblies, one end of the second heat exchange tube is communicated with the third tube through the other of the connection assemblies, and the other end of the second heat exchange tube is communicated with the fourth tube through the other of the connection assemblies.
In some embodiments, a distribution member is disposed within the third tube, the distribution member having a through hole disposed therein, the through hole being in communication with the third tube, and/or a distribution member is disposed within the first tube, the distribution member having a through hole disposed therein, the through hole being in communication with the first tube.
In some embodiments, the length direction of the second flow channel is angled from the length direction of the first flow channel.
The heat exchange system according to an embodiment of the second aspect of the present invention includes a compressor, an expansion valve, a pipeline, a refrigerant and the heat exchange assembly according to any one of the above embodiments, and the first channel and the second channel of the first heat exchange pipe are arranged along a direction from the air inlet side to the air outlet side.
According to the heat exchange system provided by the embodiment of the invention, the heat exchange pipe and the collecting pipe are connected in the heat exchange assembly through the joint, and the joint is opposite to the larger circulation channel in the heat exchange pipe, so that more refrigerants can be guided to flow to the larger channel in the heat exchange pipe, the resistance is reduced, and the heat exchange performance and the system energy efficiency are improved.
In some embodiments, the refrigerant enters the second tube through the first heat exchange tube after entering the first tube, and flows out of the second tube; and the refrigerant enters the fourth pipe through the second heat exchange pipe after entering the third pipe and flows out of the fourth pipe.
Drawings
Fig. 1 is a perspective view of a heat exchange assembly according to one embodiment of the present invention.
Fig. 2 is a side view of the heat exchange assembly of fig. 1.
Fig. 3 is a partial schematic structural view of the connection assembly of fig. 1 and showing the fitting and the heat exchange tube.
Fig. 4 is a schematic view of a portion of the connection assembly of fig. 1, with a first channel and a second channel.
Fig. 5 is a perspective view of a heat exchange assembly according to another embodiment of the present invention.
Fig. 6 is a side view of the heat exchange assembly of fig. 5.
Fig. 7 is a perspective view of a heat exchange assembly according to yet another embodiment of the present invention.
Fig. 8 is a side view of the heat exchange assembly of fig. 7.
Fig. 9 is a schematic view of the internal structure of the joint in the connection assembly of fig. 1.
Reference numerals:
the heat exchange assembly 100 is provided with a heat exchange member,
a heat exchange tube 20, a first heat exchange tube 21, a first channel 201 of the first heat exchange tube, a second channel 202 of the first heat exchange tube, a second heat exchange tube 22, a first channel 221 of the second heat exchange tube, a second channel 222 of the second heat exchange tube,
the connecting assembly 3, the joint 30, the first flow channel 301, the second flow channel 302, and the connecting tube 33.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element holder referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1 to 4, a heat exchange assembly 100 according to an embodiment of the present invention includes a tube assembly 10, a heat exchange tube 20, and a connection assembly 3.
The tube assembly 10 includes a first tube 11, a second tube 12, a third tube 13, and a fourth tube 14, the first tube 11 and the second tube 12 being arranged side by side, the third tube 13 and the fourth tube 14 being arranged side by side, the third tube 13 being arranged adjacent to the first tube 11, and the fourth tube 14 being arranged adjacent to the second tube 12.
As shown in fig. 1 and 2, the third tube 13 is adjacent to the first tube 11 and is juxtaposed with the fourth tube 14, the fourth tube 14 being adjacent to the second tube 12. The first pipe 11, the second pipe 12, the third pipe 13, and the fourth pipe 14 all extend in the left-right direction. Wherein the first tube 11 and the third tube 13 are both located below the second tube 12 and the fourth tube 14. The first tube 11 and the third tube 13 are spaced apart in the front-rear direction, and the second tube 12 and the fourth tube 14 are spaced apart in the front-rear direction.
The heat exchange tube 20 is plural, the plural heat exchange tubes 20 are arranged in parallel, and the outer peripheral outline of the cross section of the heat exchange tube 20 is substantially rectangular. As shown in fig. 1, a plurality of heat exchange tubes 20 are arranged at intervals in the left-right direction. The heat exchange tube 20 has a length, a width and a thickness, wherein the width of the heat exchange tube is greater than the thickness, and the length of the heat exchange tube 20 is in the up-down direction, the width is in the front-rear direction, and the thickness is in the left-right direction. The heat exchange tubes 20 are what is known in the art as flat tubes.
The heat exchange tubes 20 include first and second heat exchange tubes 21 and 22, and the first and second heat exchange tubes 21 and 22 are alternately arranged in a thickness direction of the heat exchange tubes 20. The first heat exchange pipe 21 is connected to the first and second pipes 11 and 12, respectively, to communicate the first and second pipes 11 and 12. The second heat exchanging pipe 22 is connected to the third pipe 13 and the fourth pipe 14 to communicate the third pipe 13 and the fourth pipe 14, respectively.
As shown in fig. 1 and 2, the heat exchange pipe 20 includes a first heat exchange pipe 21 and a second heat exchange pipe 22, and the first heat exchange pipe 21 is parallel to the second heat exchange pipe 22. The upper end of the first heat exchanging pipe 21 is connected to the second pipe 12, and the lower end of the first heat exchanging pipe 21 is connected to the first pipe 11 to communicate the first pipe 11 with the second pipe 12. The second heat exchanging pipe 22 has an upper end connected to the fourth pipe 14 and a lower end of the second heat exchanging pipe 22 connected to the third pipe 13 to communicate therewith.
The first heat exchange tube 21 includes at least two channels arranged at intervals in a width direction of the heat exchange tube 20, the channels of the first heat exchange tube 21 are parallel to a length direction of the heat exchange tube 20, the channels include a first channel 201 and a second channel 202, and a sectional area of the first channel 201 is larger than a sectional area of the second channel 202 in a cross section of the heat exchange tube 20.
As shown in fig. 4, the channel penetrates the first heat exchange tube 21 in the length direction of the first heat exchange tube 21 and includes a first channel 201 and a second channel 202, the first channel 201 and the second channel 202 are arranged at an interval in the width direction (front-rear direction in fig. 4) of the first heat exchange tube 21, and the sectional area of the first channel 201 is larger than that of the second channel 202.
At least one connection module 3, the connection module 3 including a joint 30, the joint 30 including a first flow channel 301 and a second flow channel 302 communicating with each other, the first flow channel 301 having a dimension in the width direction of the heat exchange tube 20 larger than a dimension of the second flow channel 302 in the width direction of the heat exchange tube 20, the second flow channel 302 having a dimension in the width direction of the heat exchange tube 20 smaller than a width of the first heat exchange tube 21.
As shown in fig. 1 and 2, at least one tube of the tube assembly 10 is connected to the heat exchange tube 20 by a joint 30. a first flow channel 301 extends in the length direction of the joint 30 (the front-rear direction as viewed in fig. 1 and 2), and a second flow channel 302 extends in the width direction of the joint 30 (the up-down direction as viewed in fig. 1 and 2).
The dimension of the first circulation channel 301 in the length direction of the joint 30 is larger than the dimension of the second circulation channel 302 in the length direction of the joint 30, and the dimension of the second circulation channel 302 in the width direction of the heat exchange tube 20 is smaller than the width of the first heat exchange tube 21.
The first flow channel 301 of the connecting module 3 communicates with one end of the first heat exchange tube 21 (the lower end of the first heat exchange tube 21 as shown in fig. 1), and one side end surface of the first heat exchange tube 21 (the lower end surface of the first heat exchange tube 21 as shown in fig. 1) is located in the first flow channel 301. The second flow passage 302 communicates with the first pipe 11. The projection of the second flow channel 302 onto the end face of the first heat exchange tube 21 (the lower end face of the first heat exchange tube 21 as viewed in fig. 1) at least partially coincides with the cross section of the first channel 201. The distance between the communication section of the second flow channel 302 and the first flow channel 301 to the end face of the first heat exchange tube 21 connected thereto is 2 times or less the width of the first heat exchange tube 21.
As shown in fig. 4, the second flow channel 302 is adjacent to the front end face of the joint 30, and the first channel 201 is adjacent to the front side face of the first heat exchange tube 21, so that the projection of the second flow channel 302 on the end face of the first heat exchange tube 21 at least partially coincides with the cross section of the first channel 201.
As shown in fig. 4, the distance between the communication section of the second flow channel 302 and the first flow channel 301 (the section at the communication of the second flow channel 302 and the first flow channel 301) and the end face of the first heat exchange tube 21 connected thereto is 2 times or less the width of the first heat exchange tube 21.
According to the heat exchange assembly provided by the embodiment of the invention, the heat exchange tube and the collecting tube are connected in the heat exchange assembly through the joint, and the joint is opposite to the larger circulation channel in the heat exchange tube, so that more refrigerants can be guided to flow to the larger channel in the heat exchange tube, the resistance is reduced, and the heat exchange performance and the system energy efficiency are improved. In some applications of the heat exchanger, the first channel 201 of the first heat exchange tube 21 is located on the windward side in the airflow direction, and the refrigerant enters the first channel 201 more through the joint, so that the heat exchange performance on the windward side can be improved.
In some embodiments, the connection assembly 3 includes a connection pipe 33, the connection pipe 33 is connected to the second flow passage 302 and communicates with the first pipe 11, and a cross-sectional area of the connection pipe 33 is smaller than a cross-sectional area of the first flow passage 301.
As shown in fig. 2 and 4, one end of the connection pipe 33 is inserted in the second flow path 302, and the other end of the connection pipe 33 is connected to the first pipe 11 to connect the joint 30 and the heat exchange pipe 20. The cross-sectional area of the connection pipe 33 is smaller than the cross-sectional area of the first flow path 301, and the cross-sectional area of the connection pipe 33 is also smaller than the cross-sectional area of the second flow path 302.
In some embodiments, the connecting member 3 is at least two, the first flow channel 301 of another connecting member 3 communicates with the other end of the first heat exchange tube 21, the end surface of the other end of the first heat exchange tube 21 is located in the first flow channel 301, and the second flow channel 302 communicates with the second tube 12.
As shown in fig. 1, one of the connection assemblies 3 connects the lower end of the first heat exchange pipe 21 with the first pipe 11, and the other connection assembly 3 connects the upper end of the first heat exchange pipe 21 with the second pipe 12 to communicate the first heat exchange pipe 21 with the first pipe 11 and the second pipe 12 through the one connection assembly 3 and the other connection assembly 3.
Preferably, the hydraulic diameter of the second tube 12 is smaller than the hydraulic diameter of the fourth tube 14. Therefore, the installation area can be saved, the occupied area is reduced, the installation is convenient, and the applicability is improved.
The specific structure of the heat exchanger is different because the positional relationship between the first tube 11 and the third tube 13 is different. As shown in fig. 1 and 2, the first pipe 11 and the third pipe 13 are arranged at an interval in the front-rear direction, and a connection pipe 33 connecting the first pipe 11 is spaced from the third pipe 13.
As shown in fig. 5 and 6, the first pipe 11 and the third pipe 13 may be arranged in parallel in the vertical direction, the first pipe 11 may be located below the third pipe 13, and the connection pipe 33 may be inserted into the first pipe 11 through the third pipe 13. The second pipe 12 and the fourth pipe 14 are arranged side by side in the up-down direction, the second pipe 12 is positioned above the fourth pipe 14, and the connection pipe 33 is inserted into the second pipe 12 through the fourth pipe 14.
One end of the connection pipe 33 is inserted into the second flow channel 302 of one joint 30, the first flow channel 301 of the one joint 30 is connected to one end of the first heat exchange pipe 21, and the other end of the connection pipe 33 is connected to the first pipe 11. The other end of the first heat exchange tube 21 is inserted into the first flow channel 301 of the other joint 30, and the second flow channel 302 of the other joint 30 is also provided with a connection tube 33, by which connection tube 33 the other end of the first heat exchange tube 21 and the second tube 12 are connected.
Further, as shown in fig. 5 and 6, the flow area of the first tube 11 is smaller than the flow area of the third tube 13, and the flow area of the second tube 12 is smaller than the flow area of the fourth tube 14. Therefore, the installation area can be saved, the occupied area is reduced, the installation is convenient, and the applicability is improved.
As shown in fig. 5 and 6, the heat exchange tubes are disposed between the tube assemblies and do not need to be bent, so that the heat exchange tube core has a small size in the thickness direction, and the first tube and the second tube are small collecting pipes, so that the volume of the whole heat exchange assembly can be reduced. Further, the connection pipe of the first and second pipes passes through the third and fourth pipes, so that there is enough space for installing the distribution pipe in the third and fourth pipes. The big holes of the heat exchange tubes in the heat exchange assembly are positioned on the air inlet side, so that the number of refrigerants on the air inlet side is increased, and the heat exchange performance is improved.
In some embodiments, the connecting member 3 is at least two, the first flow channel 301 of another connecting member 3 communicates with one end of the second heat exchange tube 22, the second flow channel 302 of another connecting member 3 communicates with the fourth tube 14, and the dimension of the second flow channel 302 in the width direction of the heat exchange tube is smaller than the width of the second heat exchange tube 22.
As shown in fig. 1, the connecting block 3 is at least two, the first flow channel 301 of the other connecting block 3 communicates with the other end of the second heat exchange tube 22 (the upper end of the second heat exchange tube 22 as shown in fig. 1), that is, the end surface of the other end of the second heat exchange tube 22 is inserted into the first flow channel 301, and the second flow channel 302 of the other connecting block 3 communicates with the fourth tube 14.
As shown in fig. 4, the dimension of the second flow channels 302 in the width direction of the heat exchange tubes is smaller than the width of the second heat exchange tubes 22.
In some embodiments, the hydraulic diameter of the first tube 11 is smaller than the hydraulic diameter of the second tube 12, and the hydraulic diameter of the fourth tube 14 is smaller than the hydraulic diameter of the third tube 13, and in particular, the hydraulic diameter of the inner bore passage of the first tube 11 is smaller than the hydraulic diameter of the inner bore passage of the second tube 12, and the hydraulic diameter of the inner bore passage of the fourth tube 14 is smaller than the hydraulic diameter of the inner bore passage of the third tube 13. Therefore, the installation area can be saved, the occupied area is reduced, the installation is convenient, and the applicability is improved.
In some embodiments, the second heat exchange tube 22 comprises at least two channels arranged at intervals in the width direction of the heat exchange tube 20, the channels of the second heat exchange tube 22 are parallel to the length direction of the heat exchange tube 20, the channels of the second heat exchange tube 22 comprise a first channel 221 and a second channel 221, the cross section of the first channel 201 of the second heat exchange tube is larger than the cross section of the second channel 202 of the second heat exchange tube in the cross section of the heat exchange tube 20, the end surface of one end of the second heat exchange tube 22 is positioned in the first flow channel 301 of the connecting assembly 3 connected with the end surface of the second heat exchange tube 22, and the projection of the second flow channel 302 of the connecting assembly 3 on the end surface of the second heat exchange tube 22 at least partially coincides with the.
As shown in fig. 2 and 4, the arrangement of the first channels 201 and the second channels 202 in the second heat exchange tube 22 is similar to the arrangement of the first channels 201 and the second channels 202 in the first heat exchange tube 21, and please refer to the description of the first channels 201 and the second channels 202 in the first heat exchange tube 21 for a detailed description.
The specific structure of the heat exchanger is different because the positional relationship between the first tube 11 and the third tube 13 is different. As shown in fig. 1 and 2, the first pipe 11 and the third pipe 13 are arranged at an interval in the front-rear direction, and a connection pipe 33 connecting the first pipe 11 is spaced from the third pipe 13.
As shown in fig. 7 and 8, the first pipe 11 and the third pipe 13 may be arranged side by side in the up-down direction, with the first pipe 11 being located below the third pipe 13, the second pipe 12 and the fourth pipe 14 being arranged side by side in the up-down direction, and the second pipe 12 being located below the fourth pipe 14.
As shown in fig. 7 and 8, one end of one connection pipe 33 is inserted into the first tube 11, the other end of the one connection pipe 33 is inserted into the second flow channel 302 of the joint 30 after passing through the third tube 13, the first flow channel 301 of the joint 30 is connected to the lower end of the first heat exchange tube 21, and the upper end of the first heat exchange tube 21 is inserted into the second tube 12.
One end of another connection pipe 33 is inserted into the fourth pipe 14, the other end of the another connection pipe 33 is inserted into the second flow channel 302 of the joint 30 after passing through the second pipe 12, the first flow channel 301 of the joint 30 is connected to the upper end of the second heat exchanging pipe 22, and the lower end of the second heat exchanging pipe 22 is inserted into the third pipe 13.
Further, as shown in fig. 7 and 8, the flow area of the first tube 11 is smaller than the flow area of the third tube 13, and the flow area of the second tube 12 is larger than the flow area of the fourth tube 14. Therefore, the installation area can be saved, the occupied area is reduced, the installation is convenient, and the applicability is improved.
As shown in fig. 7 and 8, the heat exchange tubes are disposed between the tube assemblies, and the heat exchange tubes do not need to be bent, so that the size of the core of the heat exchange tube in the thickness direction is small, and meanwhile, the first tube and the fourth tube are small collecting pipes, so that the volume of the whole heat exchange assembly can be reduced. Further, the connection pipe of the first and fourth pipes passes through the third and second pipes, so that there is enough space for installing the distribution pipe in the third and second pipes. When the large channel of the heat exchange tube in the heat exchange assembly is positioned on the air inlet side, the refrigerant on the air inlet side is increased, and the heat exchange performance is improved.
In some embodiments, one end of the first heat exchange pipe 21 communicates with the first pipe 11 through one connection assembly 3, the other end of the first heat exchange pipe 21 communicates with the second pipe 12 through another connection assembly 3, one end of the second heat exchange pipe 22 communicates with the third pipe 13 through another connection assembly 3, and the other end of the second heat exchange pipe 22 communicates with the fourth pipe 14 through another connection assembly 3.
As shown in fig. 1, the connection members 3 are at least four in number, one end of the first heat exchange pipe 21 (the upper end of the first heat exchange pipe 21 as shown in fig. 1) communicates with the first pipe 11 through one connection member 3, and the other end of the first heat exchange pipe 21 (the lower end of the first heat exchange pipe 21 as shown in fig. 1) communicates with the second pipe 12 through the other connection member 3. The second heat exchanging pipe 22 is connected in the same manner as the first heat exchanging pipe 21.
In some embodiments, a distribution member (not shown) is provided in the third pipe 13, and a through hole is provided in the distribution member, the through hole communicating with the third pipe 13; and/or a distributing part is arranged in the first pipe 11, a through hole is arranged on the distributing part, and the through hole is communicated with the first pipe 11. Therefore, the heat exchange assembly enables more refrigerants to enter the large channel side of the heat exchange assembly through the distribution piece, and the heat exchange performance is improved.
In some embodiments, the length direction of the second flow channel 302 is angled from the length direction of the first flow channel 301.
As shown in fig. 3, the longitudinal direction of the second flow channel 302 makes an angle α with the longitudinal direction of the first flow channel 301, and 0 ° < α <90 °. Therefore, the communication section of the second flow channel and the first flow channel is more adjacent to the first channel side of the heat exchange tube, so that the refrigerant entering from one tube in the tube assembly flows into the large channel side of the heat exchange assembly more, and the performance of the heat exchange assembly is improved.
In some embodiments, the first channels 201 and the second channels 202 of the first heat exchange pipe 21 are arranged in the direction from the air inlet side toward the air outlet side. Therefore, the refrigerant in the heat exchange assembly can enter the air inlet side more, and the heat exchange performance is improved.
In some embodiments, the refrigerant enters the first tube 11, enters the second tube 12 through the first heat exchange tube 21, and flows out of the second tube 12; the refrigerant enters from the third pipe 13, enters the fourth pipe 14 through the second heat exchange pipe 22 and flows out of the fourth pipe 14.
In some embodiments, the joint 30 may be formed by pre-stamping two aluminum sheets into sheets having the shape shown in fig. 9, and then joining the two sheets together.
The heat exchange system according to the embodiment of the present invention includes a compressor, an expansion valve, a pipeline, and a refrigerant, and further includes the heat exchange assembly 100 according to any of the above embodiments, wherein the first channel 201 and the second channel 201 of the first heat exchange tube 21 are disposed along a direction from an air inlet side to an air outlet side.
According to the heat exchange system provided by the embodiment of the invention, the heat exchange pipe and the collecting pipe are connected in the heat exchange assembly through the joint, and the joint is opposite to the larger circulation channel in the heat exchange pipe, so that more refrigerants can be guided to flow to the larger channel in the heat exchange pipe, the resistance is reduced, and the heat exchange performance and the system energy efficiency are improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A heat exchange assembly, comprising:
a tube assembly comprising a first tube, a second tube, a third tube, and a fourth tube, the first tube and the second tube being arranged side-by-side, the third tube and the fourth tube being arranged side-by-side, the third tube being arranged adjacent to the first tube, the fourth tube being arranged adjacent to the second tube;
a plurality of heat exchange tubes arranged in parallel, the outer peripheral profile of the cross section of the heat exchange tubes being substantially rectangular, the heat exchange tubes including first heat exchange tubes and second heat exchange tubes, the first heat exchange tubes and the second heat exchange tubes being alternately arranged along the thickness direction of the heat exchange tubes, the first heat exchange tubes being connected to the first tubes and the second tubes, respectively, to communicate the first tubes and the second tubes, the second heat exchange tubes being connected to the third tubes and the fourth tubes, respectively, to communicate the third tubes and the fourth tubes,
the first heat exchange tube comprises at least two channels which are arranged at intervals in the width direction of the heat exchange tube, the channels of the first heat exchange tube are parallel to the length direction of the heat exchange tube, the channels comprise a first channel and a second channel, the sectional area of the first channel is larger than that of the second channel on the cross section of the heat exchange tube,
at least one connection assembly including a joint including a first circulation channel and a second circulation channel communicating with each other, the first circulation channel having a size in the width direction of the heat exchange tube larger than that of the second circulation channel, the second circulation channel having a size in the width direction of the heat exchange tube smaller than the width of the first heat exchange tube,
coupling assembling first circulation passageway with the one end intercommunication of first heat exchange tube, a side end face of first heat exchange tube is located in the first circulation passageway, second circulation passageway with first pipe intercommunication, coupling assembling's second circulation passageway is in projection on the terminal surface of first heat exchange tube and the cross-section of first passageway at least partially coincide, coupling assembling's second circulation passageway and first circulation passageway's intercommunication cross-section to rather than the distance between the terminal surface of the first heat exchange tube of being connected less than or equal to 2 times of the width of first heat exchange tube.
2. A heat exchange assembly as claimed in claim 1, in which the connection assembly includes a connection tube connected to the second flow passage and communicating with the first tube, the connection tube having a cross-sectional area smaller than that of the first flow passage.
3. A heat exchange assembly according to claim 2, wherein there are at least two of the connection assemblies, the first flow channel of another one of the connection assemblies communicates with the other end of the first heat exchange tube, the end face of the other end of the first heat exchange tube is located within the first flow channel, the second flow channel communicates with the second tube, and the hydraulic diameter of the second tube is smaller than that of the fourth tube.
4. A heat exchange assembly according to claim 2, wherein the connecting assemblies are at least two, the first flow channels of another one of the connecting assemblies communicate with one end of the second heat exchange tube, the second flow channels of the other one of the connecting assemblies communicate with the fourth tube, the second flow channels have a dimension in the width direction of the heat exchange tubes smaller than the width of the second heat exchange tube, the hydraulic diameter of the first tube is smaller than the hydraulic diameter of the second tube, and the hydraulic diameter of the fourth tube is smaller than the hydraulic diameter of the third tube.
5. A heat exchange assembly according to claim 4, wherein the second heat exchange tube comprises at least two channels arranged at intervals in the width direction of the heat exchange tube, the channels of the second heat exchange tube are parallel to the length direction of the heat exchange tube, the channels of the second heat exchange tube comprise a first channel and a second channel, the cross-sectional area of the first channel of the second heat exchange tube is larger than that of the second channel of the second heat exchange tube, the end face of the one end of the second heat exchange tube is positioned in the first flow channel of the connection assembly connected thereto, and the projection of the second flow channel of the connection assembly on the end face of the second heat exchange tube at least partially coincides with the section of the first channel.
6. A heat exchange assembly according to any one of claims 3 to 5, one end of the first heat exchange tube being in communication with the first tube via one of the connection assemblies, the other end of the first heat exchange tube being in communication with the second tube via another of the connection assemblies, one end of the second heat exchange tube being in communication with the third tube via yet another of the connection assemblies, the other end of the second heat exchange tube being in communication with the fourth tube via yet another of the connection assemblies.
7. A heat exchange assembly according to claim 3 or 4, wherein a distribution member is provided within the third tube, the distribution member having a through hole provided therein, the through hole communicating with the third tube, and/or a distribution member is provided within the first tube, the distribution member having a through hole provided therein, the through hole communicating with the first tube.
8. A heat exchange assembly according to claim 1, wherein the length direction of the second flow channels is angled to the length direction of the first flow channels.
9. A heat exchange system comprising a compressor, an expansion valve, a pipe and a refrigerant, and further comprising the heat exchange assembly as recited in any one of claims 1 to 8, wherein the first passage and the second passage of the first heat exchange pipe are arranged in a direction from an air inlet side to an air outlet side.
10. The heat exchange system of claim 9, wherein the refrigerant enters the second tube through the first heat exchange tube after entering the first tube and flows out of the second tube; and the refrigerant enters the fourth pipe through the second heat exchange pipe after entering the third pipe and flows out of the fourth pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020962558.9U CN212457512U (en) | 2020-05-31 | 2020-05-31 | Heat exchange assembly and heat exchange system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020962558.9U CN212457512U (en) | 2020-05-31 | 2020-05-31 | Heat exchange assembly and heat exchange system |
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| Publication Number | Publication Date |
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| CN212457512U true CN212457512U (en) | 2021-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022206765A1 (en) * | 2021-03-29 | 2022-10-06 | 杭州三花微通道换热器有限公司 | Heat exchanger and air conditioner system |
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2020
- 2020-05-31 CN CN202020962558.9U patent/CN212457512U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022206765A1 (en) * | 2021-03-29 | 2022-10-06 | 杭州三花微通道换热器有限公司 | Heat exchanger and air conditioner system |
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